Introductory Physics Homework Help Forum

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Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Calculate the average force on the side walls of a container
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Find tension using sum of torque (two strings, one beam, one box)
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2
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183
How do you prove ##\lambda = \frac {2L} {n} ## given only L?
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3
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201
Equation of resistance from given graph
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4
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209
Uniform Circular Motion: A plum-bob makes a 70 degree angle...
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4
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181
Find the distance a particle travels
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15
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335
Finding the x component of position vector
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3
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170
Uniform Circular Motion: Tension Force at Top of Circle
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4
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166
Find the phase difference between these two sine waves
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21
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265
Frames of Reference: Using tie-downs to hold a load on a flatbed truck
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3
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168
Phase difference between two light waves of the same frequency
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12
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262
Wave movement and particle movement
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23
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223
Finding focal length from di v. M graph
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1
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133
Finding slip-off angle for mass off of sphere?
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7
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218
Conservation of Momentum FRQ
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404
Need help on a energy question: Hockey puck sliding across the ice
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9
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231
Why Do Capacitors Behave Differently in Series and Parallel Configurations?
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20
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417
Effect of different magnetic fields on a magnetic dipole
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25
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285
Planar Coil Rotating in a Magnetic Field
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173
Electromagnetism problem: Merging of 2 charged drops of mercury
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2
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176
Need help finding uncertainty for this equation
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23
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266
Find the velocity of the stone just before it hits the ground
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16
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299
Two blocks in contact -- find the force between them
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14
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428
Bearing slow down calculation
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4
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153
Help Calculating probability between 2 limits for the ground state
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28
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373
POWER - different approach, different results
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23
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359
Help needed in this problem involving a spring and energy balances
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9
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287
Fluid mechanics problem: The extent to which an iron deposit can influence water level
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10
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472
When does Phobos collide with Mars?
3
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72
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683
Calculation of torque and force on magnetic dipole near infinite wire
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3
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210
Calculation of magnetic dipole moment of the Earth
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8
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178
Final Charge of a Capacitor in a Circuit with Capacitors and Resistors
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9
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324
Does a Slowing Piano Exert More Force Than the Man Pushing It?
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3
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201
Why is a current ring approx a magnetic dipole from very far off?
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237
Where on a rigid body is a resultant force applied?
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11
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231
Prove this equation for projectile motion
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11
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211
How Does Stress Affect a Hollow Pipe When Force Is Uniformly Applied?
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6
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244
Understanding MIT's applet on sound with Fourier coefficients
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3
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207
Find moment arm of resultant force of two forces applied at two points
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3
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225
A sphere suspended from a cord -- Find the tension
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13
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231
How Is Potential Energy Converted to Kinetic Energy in Physical Systems?
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6
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320
Why don't we find the angular magnification of objective lens in microscopes?
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10
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416
Physics 1 Parabolic Motion Question Confusion
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15
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499
Acceleration in uniform circular motion is uniform or non-uniform?
2
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55
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663
Difference between resonance in undamped vs damped mass-spring-dashpot
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17
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381
Amplitude of harmonic oscillation given position and velocity
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4
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226
Modeling a mass falling from one side of the Earth to the other
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1
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197
Elastic Potential Energy - Positive or Negative?
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5
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234
Solving a Non-Equilibrium Pully System with a Fixed Length Rope at a 154 Degree Angle
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10
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217
Help with a Refraction problem that involves light passing through different media
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11
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372
Conservation of energy problem: Ball rolling down inclined plane and then through a loop-the-loop
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10
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434
Elastic potential energy - different methods, different results
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2
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177
Work Done and Acceleration (Mistaken Answers?)
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5
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193
Faraday's law help -- Induced EMF vs. time graph
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7
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308
How can I find the sustain time of an electric guitar?
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7
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262
On what does gravity assist depend? (possibly with sources)
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3
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251
Calculation of the magnetic field of four quarter circles
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12
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331
Magnetic Field Due To Wire Of Semi-Circular Cross Section
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5
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310
Calculate the gravitational force between these three masses
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4
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204
Vectors Directions: Where is this Resultant Vector Pointing?
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14
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327
Momentum Physics Problem: Two astronauts throw billiard balls that collide
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8
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435
Understanding work in translation and rotation of a magnetic dipole
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1
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356
Current through a circuit when the key is open
2
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42
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Current flowing in an open circuit
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9
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396
Change of internal energy during linear transformation
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11
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311
How does one calculate the number of photons striking a surface per second?
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12
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338
Find net external work of a system w/ 2 objects w/ opposite forces
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8
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240
Internal energy won't add up to 0 in cyclic process
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1
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187
Two balls, dropped with a delay of ##\Delta t##, meet after rebound
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34
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701
Static Equilibrium Reaction Question about Fixed Point
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3
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259
Why can we use this approximation in rotational work-kinetic energy theorem for small displacements?
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7
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286
Drawing PV diagram from data
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21
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469
Instantaneous Acceleration Given Equation for Velocity
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7
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272
Minimal rotational kinetic energy for a gyroscope to precess
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33
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968
How does this potential divider circuit work?
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1
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199
Vertical Mass Spring System | Analyzing work
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18
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269
Understanding relative velocity in 1D elastic collision
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15
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292
Stefan-Boltzmann's Law. How to apply to the Sun
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8
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226
Why Does Surface Tension Allow Bubbles to Form Despite External Pressure?
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3
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251
Optimizing energy expenditure over a race course in cycling
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8
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292
Does levitation distance increase as Fg increase???
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1
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236
Sign of Work (Negative or Positive)
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4
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192
Kinetic energy in center of mass reference frame
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3
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246
Determine speed - derivatives
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20
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414
Work Pulley Problem with constant speed
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2
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220
A ball is thrown w/initial speed vi at an angle 𝜃i with the horizontal
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5
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291
Spinning a Bucket to measure gravity with the parabolic surface of the water
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17
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421
Angular acceleration of plank hanging off edge with a weight
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7
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318
Compare the conductance of an insoluble salt with soluble one
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2
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267
Circuit with potential difference across battery being zero?
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3
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260
Mass hanging on a steel wire
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15
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331
Final velocity of the barbell dropped after a dead lift
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7
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273
How can I calculate the Density and Volume of a mechanical mixture (atoms)?
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6
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272
Why do the headlights on the car become dim when the car is starting?
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4
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274
Why is the Energy Released in Nuclear Decay Equal to the Change in Binding Energies?
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13
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359
Electric field external to Conducting Hollow Sphere with charge inside
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17
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408
Translational Equilibrium Practice problem
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2
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256
Worst-case power consumed by a circuit with MOSFETs
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2
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307
Flux linked with circular coil vs solenoid
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14
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520
Collison between two particles
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17
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372

Intro Physics Homework Help

Introductory Physics Homework Help is a service that assists students in their assignments related to the fundamental principles of physics at the introductory level.

This support involves elucidating key concepts such as mechanics, electromagnetism, thermodynamics, and optics. Tutors or resources providing introductory physics homework help aim to aid students in problem-solving, understanding theoretical foundations, and applying mathematical techniques.

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